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WELDING; GENERAL WELDING, CUTTING, BRAZING <br /> (includes gas & arc welding) <br /> Standard: • <br /> A.I. A valve protection cap, collar, or recess to protect the valve is required if <br /> the cylinder has a water weight capacity of over thirty (30) pounds. <br /> 2. If a fixed hand wheel is not provided, a key, handle, or non-adjustable <br /> wrench must be on the valve system while the cylinder is in service. <br /> 3. Cylinders must not be located where they might become a part of an <br /> electrical circuit. <br /> 4. Practices such as tapping an electrode against a cylinder to strike an arc <br /> are prohibited. <br /> 5. The valve must be opened slightly and then closed prior to attaching the <br /> regulator. No person may be in front of an open outlet. Fuel-gas valves <br /> must not be cracked near any possible ignition source. <br /> 6. If a cylinder is leaking, move it to a safe area at once and call supplier <br /> immediately. Mark the cylinder "LEAKING - DO NOT USE - STAY AWAY" <br /> to warn others. • <br /> 7. Gauges on oxygen regulators must be marked "USE NO OIL". <br /> 8. Stored oxygen cylinders must be stored separately from fuel-gas cylinders <br /> or combustibles by: <br /> (a) at least twenty (20) feet, or <br /> (b) a noncombustible barrier at least 5 feet high having a 1/2 hour fire <br /> resistance rating. <br /> B. Hoses: <br /> 1. Only approved hoses may be used for oxygen and fuel gases. <br /> 2. Hose colors: <br /> (a) Red - acetylene & other fuel-gas <br /> (b) Green - oxygen <br /> (c) Black - air & inert gas <br /> CITY OF ST. ANTHONY EMPLOYEE SAFETY MANUAL • <br /> (2/93) Page 32 <br />